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What is a pioneer species?
The first species to colonize a barren area going through primary succession.
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Why are lichens such important species in primary succession?
Because they can break down rocks into soil.
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After a glacier that has been on the land for 10,000 years retreats, which type of ecological succession will most likely occur?
Primary Succession
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What are the two types of ecological succession?
Primary Succession and Secondary Succession
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heart
Other team wins 10 points!
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shark
Other team loses 10 points!
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shark
Other team loses 15 points!
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lifesaver
Give 5 points!
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banana
Go to last place!
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fairy
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25
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gift
Win 25 points!
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thief
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Can you define what secondary succession is?
It is a type of succession that typically takes place after floods, forest fires, mining, ect.
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5
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Small bushes and shrubs will usually be outcompeted by _.
Taller trees that create too much shade for the bushes and shrubs to handle.
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After grasses have lived in an area for a long time and created enough detritus and soil, what can grow there next?
Shrubs and bushes.
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After lichens break down rocks into soil, what can grow next?
Moss
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Why do ecosystems (or communities) change over time?
Because of disturbances. These could include fires, volcanoes, floods, landslides, mining, deforestation, meteors, ect.
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After mosses break down soil even further and create more soil, what can grow there?
Grasses.
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thief
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gift
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rocket
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baam
Lose 20 points!
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5
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What is detritus. If there is enough of it, what can be made?
Detritus is the remains of dead organisms such as lichens, plants, and animals. If there is enough detritus, soil can be made.
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What is happening here.
A disturbance that will cause the ecosystem (or community) to change.
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What is this species?
This is Lichen. It is an example of a pioneer species.
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